ENH: clean codes about device

JIRA: [STUDIO-13609]
Change-Id: I591de7033360b9570600006cfbce2148a8d031d5
(cherry picked from commit e9c774be8f4c89b8dafa14ef56913612fb68bd0c)

src/libslic3r/CommonDefs.hpp

@@ -0,0 +1,21 @@
+#pragma once
+
+// CommonDefs.hpp
+// ---------------
+// This header provides common definitions and enumerations shared across multiple libraries.
+// It is intended for use in projects that require consistent type definitions, such as nozzle types.
+// The contents of this file are designed to be reusable and maintainable for cross-library integration.
+
+namespace Slic3r
+{
+    // BBS
+    enum NozzleType
+    {
+        ntUndefine = 0,
+        ntHardenedSteel,
+        ntStainlessSteel,
+        ntTungstenCarbide,
+        ntBrass,
+        ntCount
+    };
+}